Amazon - amzn.to/43MOQDj (USA/Can/Europe)
NexTorch Store (USA) - amzn.to/3Ph89QY
A new ultra compact model from NexTorch, this one is made from mainly Polycarbonate, and is small enough to fit on a keyring/chain, or as a pocket EDC.
A 300 lumens top output, 3 levels and a strobe mode, and 3 Aux LED modes including a UV, Red, and Red/Blue flashing (aka Police style). It has a USB C port, dual buttons, and also comes with a clasp and charging cable. I take a closer look at the K40, and I compare it to rivals from Nitecore the TIKI and JetBeam Mini One.
Sample supplied via NexTorch for unbiased review and testing
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Details from the maker:
[Small Size but All-Purpose] Like other keyring light, K40 is small and easy to carry. With the length of 7.3cm, you can put this edc torch on your keychain and carry it anywhere.
[Three Lighting Sources and Seven Lighting Modes] Different from other keyring lights, K40 has four lighting sources, including white, red, blue and 405nm uv, giving you a multiple choice. K40 has seven lighting modes, including three white lighting modes (high, medium and low), red lighting mode, red- blue flashing, 405nm uv lighting and strobe mode.
[Dual Switch - Easy Operation] The keyring torch has two buttons. One is for the three traditional white lighting modes, another is for the red- blue flashing, red lighting mode and uv mode, allowing you to use it in daily life. One click for the max output of 300 lumens, satisfying your daily lighting need.
[Replaceable Accessories - Free Your hands] K40 has a pocket clip and a keyring as accessories. With these two parts, K40 becomes all-purpose edc torch. You can use it as cap light and keyring light etc.
[USB - C Fast Charging] K40 is powered by a built-in 180 mAh battery. The keyring light can be fully charged in 1.5 hours. The highest white lighting mode can run at least 1h, while the lowest one can run 9h 15min.
All torches purchased at Nextorch have a 5-year warranty.